Vulnerability · Published Dec 8, 2021 · Assigned by sonicwall
CVE-2021-20040
High 7.5
In plain English
A high-severity security flaw in SonicWall SMA100 from SonicWall. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 25.1% (higher than 98% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)25.1%top 2.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A relative path traversal vulnerability in the SMA100 upload funtion allows a remote unauthenticated attacker to upload crafted web pages or files as a 'nobody' user. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| SonicWall | SonicWall SMA100 | 10.2.0.8-37sv and earlier10.2.1.1-19sv and earlier10.2.1.2-24sv and earlier |
Weakness: CWE-23
References
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026 x_refsource_CONFIRM